Journal
LUNG CANCER
Volume 174, Issue -, Pages 67-70Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.lungcan.2022.10.010
Keywords
Chemotherapy; Immunotherapy; Lung cancer; PD-1; Cardio-oncology; Cohort
Categories
Funding
- Tianjin Key Medical Discipline (Specialty) Construction Project
- [TJYXZDXK-029A]
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The study found that the cardiovascular risks associated with PD-1 inhibitors and chemo-immunotherapy may not be significantly different amongst patients with lung cancer. Cardiovascular events linked to either regimen were observed to be uncommon.
Objectives: Despite their proven efficacy for treating lung cancer, the cardiovascular risks associated with programmed cell death protein 1 (PD-1) inhibitors and their combinations with chemotherapy (chemo-immuno-therapy) are unclear. This study aimed to investigate these associations. Materials and methods: This retrospective cohort study included Hong Kong patients with lung cancer receiving PD-1 inhibitors during 2013-2021. Patients with non-concurrent use of PD-1 inhibitors and chemotherapy, any use of tyrosine kinase inhibitors or other immunotherapy agents, and those with prior stroke, heart failure, or myocardial infarction were excluded. PD-1 inhibitors and chemo-immunotherapy were compared for major adverse cardiovascular events (MACE), a composite of cardiovascular mortality, heart failure, stroke, and myocardial infarction. All patients were followed up until the end of 2021. Inverse probability of treatment weighting was used to balance covariates between the two treatment groups. Results: In total, 713 patients (333 PD-1 inhibitors users and 380 chemo-immunotherapy users) were analysed. Over a mean follow-up of 1.4 +/- 1.3 years, 24 had MACE, with an observed incidence of 2.8 [1.6-4.8] events per 100 person-year for patients on PD-1 inhibitors, and 2.1 [1.2-3.8] per 100 person-year for patients on chemo-immunotherapy. No significant between-group difference in MACE incidence was observed (log-rank p = 0.641). Conclusion: The cardiovascular risks associated with PD-1 inhibitors and chemo-immunotherapy may not be significantly different amongst patients with lung cancer. Cardiovascular events associated with either regimen may be uncommon.
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